Effect of void propagation to sodium void reactivity in transient analyses of fast reactors with sodium-plenum

被引：6
|
作者：
Takeda, Toshikazu [1 ]
Fujimura, Koji [2 ]
Fujimata, Kazuhiro [2 ]
Takeda, Satoshi [3 ]
机构：
[1] Univ Fukui, Res Inst Nucl Engn, Kanawa Cho 1-3-33, Tsuruga, Fukui, Japan
[2] Hitachi GE Nucl Energy Ltd, Saiwai Cho 3-1-1, Hitachi, Ibaraki, Japan
[3] Osaka Univ, Suita, Osaka, Japan
来源：
ANNALS OF NUCLEAR ENERGY | 2018年 / 119卷
关键词：
Sodium void reactivity; Fast reactor; Sodium-plenum; Void propagation;
D O I：
10.1016/j.anucene.2018.05.007
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The effect of void propagation to sodium void reactivity in fast reactors with sodium-plenum has been investigated. The sodium boiling occurs around the top of reactor core, and propagates in the sodium plenum. In the transient analysis of severe accidents the sodium void reactivity in sub-regions of the reactor is calculated considering the void propagation and it is seen the reactivity is different from the void reactivity postulated that only sodium in a sub-region is boiling. We found that the two results of void reactivity are different by up to twice depending on the location of sub-region in the sodium plenum. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：175 / 179
页数：5
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